Air conditioning system for multimedia terrace classroom
By adopting a top-down airflow design and bottom-up airflow design in the multimedia lecture hall, combined with the control of solenoid valves and temperature and humidity sensors, the problem of uncomfortable airflow in winter has been solved, achieving cost savings and improved comfort.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2026-03-20
AI Technical Summary
The existing air conditioning system in the multimedia lecture hall has the problem of hot air sinking from the top of the head in winter, causing the head to overheat and the lower body to be cold. In addition, adding a radiator heating system will increase equipment investment and energy consumption.
It adopts a separate cold and warm air duct design, with cold air flowing from top to bottom and warm air flowing from bottom to top. It is precisely controlled by solenoid valves and temperature and humidity sensors, and combined with the heat exchange between the indoor and outdoor units, it can achieve precise temperature and humidity regulation.
It improves classroom comfort in winter, evenly regulates temperature, reduces equipment investment and energy consumption, extends equipment life, and enhances the intelligence and energy efficiency of the air conditioning system.
Smart Images

Figure CN224018469U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air conditioning equipment technical field especially is related to a kind of air conditioning system for multimedia lecture hall. BACKGROUND
[0002] In modern education facilities, large-space multimedia lecture halls are widely used in various teaching and academic activities. As a key facility to ensure indoor comfort, the air supply mode of air conditioning system plays a crucial role in user experience.
[0003] At present, large-space multimedia lecture halls have limitations in air supply mode. In most cases, the same air supply mode is used in winter and summer, and the air outlet is set on the indoor ceiling. In summer, this air supply mode can meet certain cooling needs, and cold air flows from top to bottom, which can reduce indoor temperature to some extent. However, in winter, hot air sinks from the ceiling, which violates the human comfort principle of hot air rising naturally and cold air sinking naturally, causing the head to be too hot and the lower body to feel cold, making people feel extremely uncomfortable. Some improvement attempts to solve this problem also face new challenges. In some areas with hot summer and cold winter, adding a radiator heating system in winter to improve indoor heating will inevitably increase equipment investment and maintenance costs, and also increase system complexity and energy consumption. Therefore, there is an urgent need for an air supply solution that can solve the problem of uncomfortable hot air supply in winter without additional equipment investment. SUMMARY
[0004] The utility model aims to provide an air conditioning system for multimedia lecture hall to solve the above-mentioned problems of existing technology, with simple structure, effective winter use effect, and effective equipment cost saving.
[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:
[0006] The utility model provides a kind of air conditioning system for multimedia classroom, comprising: outdoor unit, indoor unit, air intake duct, first air supply duct and second air supply duct, the outdoor unit is installed in the outdoor of multimedia classroom;The indoor unit is installed in the staircase space of the multimedia classroom, and the indoor unit is used to exchange heat with the outdoor unit, and the indoor unit is provided with first air inlet and air outlet;The air intake duct one end is communicated with the first air inlet, and the other end of the air intake duct is provided with a plurality of second air inlets, and the second air inlet is arranged at the indoor roof of the multimedia classroom;The one end of the first air supply duct is communicated with the air outlet, and the other end is provided with a plurality of cold air outlets, and each cold air outlet is arranged at the indoor roof of the multimedia classroom to make the cold air generated by air conditioner flow from top to bottom in the indoor of the multimedia classroom;The one end of the second air supply duct is communicated with the air outlet, and the other end is provided with a plurality of warm air outlets, and each warm air outlet is arranged at the staircase surface of the multimedia classroom to make the warm air generated by air conditioner flow from bottom to top in the indoor of the multimedia classroom.
[0007] Preferably, it further includes a controller, a first electromagnetic valve and a second electromagnetic valve, the controller is installed on one side of the entrance and exit room of the multimedia classroom, the first electromagnetic valve is arranged in the first air supply duct, the second electromagnetic valve is arranged in the second air supply duct, and the controller is signal connected with the first electromagnetic valve, the second electromagnetic valve, the indoor unit and the outdoor unit.
[0008] Preferably, the direction of each warm air outlet is parallel to the direction of the bottom plate of the multimedia classroom.
[0009] Preferably, the direction of each cold air outlet is perpendicular to the direction of the bottom plate of the multimedia classroom.
[0010] Preferably, the second air inlet is provided with a detachable filter screen.
[0011] Preferably, it further includes a temperature and humidity sensor, and each temperature and humidity sensor is installed at the second air inlet.
[0012] The utility model has achieved the following technical effects compared with the prior art:
[0013] The utility model provides a kind of air conditioning system for multimedia step classroom, outdoor unit is installed in outdoor, can avoid the noise generated when operating to cause interference to teaching activity in classroom, simultaneously provide good ventilation and heat dissipation environment for outdoor unit, it is favorable to prolong the service life of outdoor unit and ensure its high-efficient stable operation.Indoor unit is installed in step space, can more efficiently utilize indoor space, reduce the influence to classroom overall layout.Indoor unit has first air inlet and air outlet, it is favorable to realize the circulation and heat exchange of indoor air, to adjust the temperature in classroom quickly.Indoor roof is provided with multiple second air inlets, can make relatively evenly air inlet in indoor upper portion, avoid local air inlet speed too fast or too slow, it is favorable to improve the uniformity of entire classroom air circulation, to enhance the effect of indoor temperature regulation.Cold air flows from top to bottom in line with the natural law of cold air sinking, can form relatively uniform temperature field, avoid the situation that local temperature is too high or too low, provide relatively comfortable body temperature for personnel in different positions in classroom. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.
[0015] Fig. 1 The structural diagram of air conditioning system for multimedia step classroom provided by the utility model is shown in the drawing.
[0016] Fig. 2 The front view sectional view of air conditioning system for multimedia step classroom provided by the utility model is shown in the drawing.
[0017] In the drawing: 1, outdoor unit; 2, indoor unit; 3, air inlet pipeline; 31, second air inlet; 4, first air supply pipeline; 41, cold air outlet; 5, second air supply pipeline; 51, warm air outlet; 6, first electromagnetic valve; 7, second electromagnetic valve; 8, temperature and humidity sensor. DETAILED DESCRIPTION
[0018] Clearly and completely, the technical scheme in the embodiments of the utility model will be described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the scope of protection of the utility model.
[0019] The utility model aims at providing a kind of air conditioning system for multimedia classroom, to solve the problems existing in the prior art described above, simple structure, effectively guarantee the use effect in winter, effectively save equipment cost.
[0020] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail in combination with the drawings and specific embodiments.
[0021] The utility model provides a kind of air conditioning system for multimedia classroom, such as Figs. 1-2As shown, it comprises: an outdoor unit 1, an indoor unit 2, an air inlet duct 3, a first air supply duct 4 and a second air supply duct 5, the outdoor unit 1 is installed outdoors of the multimedia classroom; the indoor unit 2 is installed in the stair space of the multimedia classroom, and the indoor unit 2 is used for heat exchange with the outdoor unit 1, and the indoor unit 2 is provided with a first air inlet and an air outlet; one end of the air inlet duct 3 is in communication with the first air inlet, and the other end of the air inlet duct 3 is provided with a plurality of second air inlets 31, and the second air inlets 31 are arranged at the indoor roof of the multimedia classroom; one end of the first air supply duct 4 is in communication with the air outlet, and the other end is provided with a plurality of cold air outlets 41, and each cold air outlet 41 is arranged at the indoor roof of the multimedia classroom to make the cold air generated by the air conditioner flow from top to bottom in the indoor of the multimedia classroom; one end of the second air supply duct 5 is in communication with the air outlet, and the other end is provided with a plurality of warm air outlets 51, and each warm air outlet 51 is arranged at the stair surface of the multimedia classroom to make the warm air generated by the air conditioner flow from bottom to top in the indoor of the multimedia classroom. The outdoor unit 1 is installed outdoors, which can avoid the interference of the noise generated during operation on the teaching activities in the classroom, at the same time, it provides a good ventilation and heat dissipation environment for the outdoor unit 1, which is beneficial to prolong the service life of the outdoor unit 1 and ensure its efficient and stable operation. The indoor unit 2 is installed in the stair space, which can more efficiently utilize the indoor space and reduce the influence on the overall layout of the classroom. The indoor unit 2 has a first air inlet and an air outlet, which is beneficial to realize the circulation and heat exchange of indoor air, thereby quickly adjusting the temperature in the classroom. The plurality of second air inlets 31 arranged at the indoor roof can make the air inlet at the upper part of the indoor more uniform, avoid the local air inlet speed being too fast or too slow, and be beneficial to improve the uniformity of the air circulation in the whole classroom, thereby enhancing the effect of indoor temperature regulation. The cold air flows from top to bottom, which conforms to the natural law of cold air sinking, can form a relatively uniform temperature field, and avoid the situation that the local temperature is too high or too low, thereby providing a relatively comfortable body temperature for the personnel at different positions in the classroom. The warm air flows from bottom to top, which helps to overcome the problem of insufficient warmth of the feet and lower limbs caused by the natural upward floating of hot air, and can make the personnel in the classroom feel warm from bottom to top, thereby greatly improving the comfort in the classroom in winter.
[0022] In a preferred embodiment, the air conditioning system for the multimedia classroom further comprises a controller, a first electromagnetic valve 6 and a second electromagnetic valve 7, the controller is installed on one side of the entrance room of the multimedia classroom, the first electromagnetic valve 6 is arranged in the first air supply pipeline 4, and the second electromagnetic valve 7 is arranged in the second air supply pipeline 5; the controller is in signal connection with the first electromagnetic valve 6, the second electromagnetic valve 7, the indoor unit 2 and the outdoor unit 1; through the cooperation of the controller and the electromagnetic valves, the controller can flexibly control the opening degree of the first electromagnetic valve 6 and the second electromagnetic valve 7 according to actual needs, thereby accurately adjusting the air volume of the first air supply pipeline 4 and the second air supply pipeline 5, and accurately controlling the output of cold air and warm air, so as to adapt to the needs of different seasons, different numbers of people and other actual use scenes, and improve the intelligence and energy saving level of the air conditioning system.
[0023] In a preferred embodiment, the direction of each warm air outlet 51 is parallel to the direction of the floor of the multimedia classroom. This arrangement can make the warm air spread more evenly along the ground plane, expand the coverage of the warm air, avoid the phenomenon of uneven temperature caused by the warm air directly hitting the wall or local area, and make the personnel in the whole classroom feel the heat more evenly on their feet and lower bodies, thereby effectively improving the comfort of heating.
[0024] In a preferred embodiment, the direction of each cold air outlet 41 is perpendicular to the direction of the floor of the multimedia classroom. The vertical downward delivery of cold air can form a smoother cold air flow, reduce the turbulence and chaotic reflection of air flow in the room, ensure that the cold air can be directly and uniformly distributed to each area of the classroom, more efficiently realize indoor temperature reduction and uniform adjustment, and improve the refrigeration effect.
[0025] In a preferred embodiment, the second air inlet 31 is provided with a detachable filter screen. The detachable filter screen can effectively filter the air entering the air conditioning system, intercepting dust, hair, fibers and other impurities outside. Not only can it purify the air entering the room and improve the air quality in the classroom, but also can prevent impurities from entering the interior of the air conditioning system, reduce the pollution of components such as evaporators and condensers, prolong the service life of the air conditioning equipment, and reduce the maintenance cost.
[0026] In a preferred embodiment, the air conditioning system for the multimedia classroom further comprises a temperature and humidity sensor 8, each temperature and humidity sensor 8 is installed at the second air inlet 31, the temperature and humidity sensor 8 monitors the temperature and humidity data of the air entering the air conditioning system in real time and feeds back the data to the controller, the controller automatically adjusts the operating parameters of the outdoor unit 1 and the indoor unit 2 and the opening degree of the electromagnetic valve according to the data, realizes accurate regulation and control of the indoor temperature and humidity, ensures that the classroom is always in a comfortable temperature and humidity environment, and further improves the comfort of the user.
[0027] The principle and implementation mode of the utility model are described by applying specific examples, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.
Claims
1. An air conditioning system for a multimedia lecture hall, characterized in that: include: Outdoor unit (1), said outdoor unit (1) is installed outdoors in the multimedia lecture hall; Indoor unit (2), the indoor unit (2) is installed in the tiered space of the multimedia lecture hall, and the indoor unit (2) is used to exchange heat with the outdoor unit (1). The indoor unit (2) is provided with a first air inlet and an air outlet. An air inlet duct (3) is provided at one end, which is connected to the first air inlet. The other end of the air inlet duct (3) is provided with a plurality of second air inlets (31), which are located on the indoor ceiling of the multimedia lecture hall. The first air supply duct (4) is connected at one end to the air outlet and at the other end to a plurality of cold air outlets (41). Each of the cold air outlets (41) is located at the ceiling of the multimedia lecture hall so that the cold air generated by the air conditioner flows from top to bottom in the multimedia lecture hall. as well as The second air supply duct (5) is connected at one end to the air outlet and at the other end to a plurality of warm air outlets (51). Each of the warm air outlets (51) is located on the tiered surface of the multimedia lecture hall so that the warm air generated by the air conditioner flows from bottom to top in the multimedia lecture hall.
2. The air conditioning system for a multimedia lecture hall according to claim 1, characterized in that: It also includes a controller, a first solenoid valve (6) and a second solenoid valve (7). The controller is installed on one side of the entrance room of the multimedia lecture hall. The first solenoid valve (6) is located in the first air supply duct (4). The second solenoid valve (7) is located in the second air supply duct (5). The controller is signal connected to the first solenoid valve (6), the second solenoid valve (7), the indoor unit (2) and the outdoor unit (1).
3. The air conditioning system for a multimedia lecture hall according to claim 1, characterized in that: The orientation of each of the aforementioned warm air outlets (51) is parallel to the direction of the base plate of the multimedia lecture hall.
4. The air conditioning system for a multimedia lecture hall according to claim 3, characterized in that: The orientation of each of the aforementioned cold air outlets (41) is perpendicular to the direction of the base plate of the multimedia lecture hall.
5. The air conditioning system for a multimedia lecture hall according to claim 4, characterized in that: The second air inlet (31) is equipped with a removable filter.
6. The air conditioning system for a multimedia lecture hall according to claim 5, characterized in that: It also includes temperature and humidity sensors (8), each of which is installed at the second air inlet (31).